body {
  min-width: 320px;
  max-width: 750px;
  width: 10rem;
  margin: 0 auto;
  line-height: 1.5;
  font-family: Arial, Helvetica;
  background: #f2f2f2;
  padding-top: 1.173333rem;
  padding-bottom: 1.333333rem;
}
a {
  text-decoration: none;
}
@media screen and (min-width: 750px) {
  html {
    font-size: 75px!important;
  }
}
.search-content {
  min-width: 320px;
  max-width: 750px;
  width: 100%;
  height: 1.173333rem;
  background-color: #6483ff;
  box-sizing: border-box;
  padding: .213333rem;
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.search-content::before {
  content: "";
  display: block;
  width: .64rem;
  height: .56rem;
  background: url(../images/homepage/news.png) no-repeat;
  background-size: .64rem .56rem;
  position: absolute;
  top: .266667rem;
  right: .266667rem;
}
.search-content .search-input {
  width: 8.533333rem;
  height: .746667rem;
  line-height: .746666rem;
  background-color: #fff;
  border-radius: .32rem;
  font-size: .373333rem;
  padding-left: .853333rem;
  box-sizing: border-box;
  position: relative;
}
.search-content .search-input::before {
  content: "";
  display: block;
  width: .32rem;
  height: .32rem;
  background: url(../images/homepage/search.png) no-repeat;
  background-size: .32rem auto;
  position: absolute;
  left: .4rem;
  top: .24rem;
}
main {
  background-color: #fff;
}
main .banner {
  padding: .266667rem .266667rem 0 .266667rem;
}
main .banner img {
  vertical-align: top;
  width: 100%;
}
main .hot h3 {
  font-size: .48rem;
  height: 1.546667rem;
  line-height: 1.546667rem;
  margin: 0;
  padding-left: .266667rem;
  padding-right: .266667rem;
}
main .hot .filter-area {
  display: flex;
  justify-content: space-between;
  font-size: .346667rem;
  height: .666667rem;
  border-bottom: .013333rem solid #ccc;
  padding: .266667rem;
}
main .hot .filter-area div {
  padding-right: .266667rem;
  position: relative;
}
main .hot .filter-area div::before {
  content: "";
  display: block;
  position: absolute;
  background: url(../images/homepage/下拉.png) no-repeat;
  width: .213333rem;
  height: .133333rem;
  background-size: .213333rem .133333rem;
  right: 0;
  top: .133333rem;
}
main .hot .filter-area div:nth-child(2)::before {
  width: .186667rem;
  height: .32rem;
  background: url(../images/homepage/价格1.png) no-repeat;
  background-size: .186667rem .32rem;
}
main .hot .hot-content {
  padding: .56rem .266667rem 0 .266667rem;
  margin: 0;
  list-style: none;
}
main .hot .hot-content li {
  display: flex;
  justify-content: space-between;
  margin-bottom: .666667rem;
}
main .hot .hot-content li:last-child {
  margin-bottom: 0;
}
main .hot .hot-content li .hot-content-img {
  width: 2.666667rem;
  height: 1.866667rem;
  margin-right: .293333rem;
}
main .hot .hot-content li .hot-content-img img {
  widows: 100%;
  vertical-align: top;
}
main .hot .hot-content li .hot-content-area {
  flex: 1;
  padding-top: .186667rem;
}
main .hot .hot-content li .hot-content-area .top {
  font-size: .346667rem;
  margin-bottom: .586667rem;
}
main .hot .hot-content li .hot-content-area .bottom {
  display: flex;
  justify-content: space-between;
}
main .hot .hot-content li .hot-content-area .bottom span:nth-child(1) {
  font-size: .32rem;
  font-weight: bold;
}
main .hot .hot-content li .hot-content-area .bottom span:nth-child(2) {
  font-size: .32rem;
  color: #ccc;
}
main .hot .hot-content li .hot-content-area .bottom a:nth-child(3) {
  font-size: .32rem;
  display: block;
  width: 2rem;
  height: .746667rem;
  line-height: .746667rem;
  text-align: center;
  border-radius: .266667rem;
  color: #fff;
  background-image: linear-gradient(to right, #49a1ff, #7a6bff);
}
footer {
  box-shadow: 0 0 1px #ccc;
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: 0;
  min-width: 320px;
  max-width: 750px;
  width: 100%;
  height: 1.333333rem;
  background-color: #fff;
  z-index: 1;
  display: flex;
}
footer .item {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-size: .24rem;
  color: #999;
}
footer .item i {
  display: block;
  width: .426667rem;
  height: .426667rem;
  background: url(../images/底部菜单/课程-未选中.png) no-repeat;
  background-size: .4rem .426667rem;
}
footer .item:first-child {
  color: #6582ff;
}
footer .item:first-child i {
  display: block;
  width: .426667rem;
  height: .426667rem;
  background: url(../images/底部菜单/课程-选中.png) no-repeat;
  background-size: .4rem .426667rem;
}
